Stuffing box for dry gas meters and the like



April 6 1926. 1,580,018

A. G. COOKE ET AL STUFFING BOX FOR DRY GAS METERS AND THE LIKE Filed May25, 1925 Witnefises. Inventors.

Ana/W1 M, 70 15 1 W WW ture,

Patented Apr. 6,

ARLEIZS STUFFING BOX FOR DRY GAS METERS AN THE LIKE.

Application filed May 25, 1925. Serial No. 32,859.

To all whom it may concern: 7

Be it known that we, ALBERT GEORGE Cooke, BENJAMIN CHARLES PHILLIPS, andRUPERT Axn PHILLIPS, all British subjects, residing at J oymanco(Brighton) Limited, Cambridge Grove, VVilbury Road, Hove, in the countyof Sussex, England,'have, invented new and useful Improvements inStufling Boxes for Dry Gas Meters'and the like, of which the followingis a specification.

This invention relates to certain new and useful improvements instufiing boxes ap-' plicable to gas meters and many other analogousdevices, and has for its ob ect to prevent any leakage of gas or liquid.

Our invention applicable to a dry gas meter, comprises a stufiing box ofa well known type having enclosed therein an attachment for obviatingany leakage of gas when the same is mounted on to the crankshaft, orshafts or spindles connected to the escapement mechanism as the case maybe, which divides the gas chamber of the meter from the clock mechanism.

The aforesaid attachment consists of a helical spring, which lattertapers towards the center, and at eachrespective end is fixed a washerof leather, skin and the like by means of metal hoops, each of saidwashers are provided with a central aper-.

and the complete attachment is inthe stufiing box containing a andenclosed therein by a and each of said washers are equally pressedagainst the ends of the stuffing box and provide a springy pad by thetension of the spiral spring thereby preventing an escape of gas as hashitherto known to occur.

In the accompanying drawings, Fig. 1, is a sectional elevation of ourinvention mounted on a crankshaft; Fig. 2. is an elevation of theattachment and, Fig. 3, is a section on line AB Fig. 2' p In ourinvention we provide a stuffing box a, with a screw cap or covero of aknown kind having the base and screw. cover respectively slightlyconcave on their inner side as shewn at o in Fig. 1, and saidstuflingbox a, receives an attachment for serted into suitable grease, screw capor cover,

preventing any leakage of. gas as hereinafter described.- The aforesaidattachment comprises a helical spring I), which tapers towards thecenter in such manner so as to form contact-with, for example acrankshaft 0, when mounted thereon, causing them to rotate bodily asherein set forth. At each respective end of the spring 6, we fit awasher d, 60

of any flexible material, being secured there to by means of an innerand outer metal hoop e, and f, whereby the washer d, is placed over theinner hoop e, and the outer hoop f is thenforced thereover causing thesaid washer (l, to be partially interposed and compressed near itsperiphery between the inner and outer hoopse, and f, and is secured tothe respective endsof the spiral spring 6, by means of clips 9, integralwith the outer'hoop f, as shewn in Fig. 2.

The above described attachment is inserted inside the stuffing box (1,together with a suitable grease, and after the screw cap or cover'a hasbeen screwed thereon each of said washers cl, respectively will formcontact withthe concave surfaces'tfi, and a central apertureisprovided-in each washer (Z,'in alignment with the central aperture inthe. stufling box a, and screw cap of, for receiving the crankshaft c,and the like as shown in Fig. 1. l I

The spring I), gives an equal tension on each respective washer (Z,which latter form a springy pad on the concave portions o of thestufling box a, and cover a and when the complete stufling box ismounted on to a crankshaft 0, and the like, the attachment therein willrotate with the same by means of the spring I), tapering towards thecenter, which latter grips the crankshaft 0, thereby preventing anyescape of gas through the crankshafts, or shafts or spin dles passingthrough the partition whichdi- ,vides the gas chamber of the meter fromthe clock mechanism, and further removesthe cause of a gas meterregistering against the consumer for gas which has not been consumed. i

We have plicable to dry limit ourselves the same may be adapted for manyother devices for the prevention of an escape of gas or liquids.

e claim:

A stuffing box with a screw cover having their inner ends slightlyconcave receiving a helical spring which latter tapers towards itscenter, said spring provided wit-ha flexible Washer at each end beingpartially interposed and compressed be- 1 tween two metal hoops, theoutermost hoop being integral with clips engaging with the respectiveends of said spring, the latter enclosing in said stuffing box with asuitable grease and rotating with a shaft.

ALBERT GEORGE COOKE. BENJAMIN CHARLES PHILLIPS. RUPERT AXE PHILLIPS.

